fixing nufacet imports

Author: jrosend

integration/spark/shared/src/main/java/io/openlineage/spark/agent/facets/NuFacet.java

@@ -10,7 +10,7 @@
 import io.openlineage.client.OpenLineage;
 import io.openlineage.spark.agent.Versions;
 
-import java.util.*;
+import java.util.Map;
 
 import lombok.Getter;
 import lombok.NonNull;